I've been delighted using Repetier 0.90B, because of the wonderful new tools like EEPROM configuration and calculators for calibration.

But today I downloaded Repetier 0.90C, and it is broken on my system. I had to revert to 0.90B.

I'm running Windows 7, and a Printrboard Rev D board with the original software. When I connected using Repetier 0.90C, the "connect" button turned green, but that's about the only thing that happened. Repetier said that 6 or 7 commands were waiting. It failed to download any info from the board, so it didn't have the EEPROM configuration available; it didn't even know if it was a Marlin board or whatever. (I never even tried to home an axis or anything like that).

Reverted to Repetier 0.90B and found joy again.

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Last edited by RetireeJay on 2013-Jul-Wed-12-Jul, edited 1 time in total.

[Solved] Be careful of Repetier 0.90C

RJ, on Repetier 0.90C, under the Config, Printer Settings - 'Reset on Connect' change to disabled. That seems to have worked for me. I've been busy and haven't printed anything yet with the new version, but can home all axis and extruded.Dave

OK, the solution is available. Here's how to do it.1) click on the "Printer Settings" icon in the upper right. (The Config: Printer Settings will be disabled if you have the problem)

PrinterSettingsButton.JPG

2) In the window that comes up, look at the line for "Reset on Connect" - it probably has some settings about "DTR." That's "Data Terminal Ready" - ancient technology for establishing "ready or not ready" conditions for the RS-232 lines connecting "teletypes" to "modems" that worked over copper wire "phone lines." I have no idea why they would be using DTR on a USB serial connection. If the supposed DTR signal is not in the right state, then communications won't happen. But our communication is using USB, so just set it to "Disabled"

PrinterSettingsScreen.JPG

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davec wrote:RJ, on Repetier 0.90C, under the Config, Printer Settings - 'Reset on Connect' change to disabled. That seems to have worked for me. I've been busy and haven't printed anything yet with the new version, but can home all axis and extruded.Dave